added stats to team page

internal/db/fixture_result.go

@@ -269,6 +269,102 @@ func GetFinalizedResultsForFixtures(ctx context.Context, tx bun.Tx, fixtureIDs [
 	return resultMap, nil
 }
 
+// AggregatedPlayerStats holds summed stats for a player across multiple fixtures.
+type AggregatedPlayerStats struct {
+	PlayerID    int    `bun:"player_id"`
+	PlayerName  string `bun:"player_name"`
+	GamesPlayed int    `bun:"games_played"`
+	Score       int    `bun:"total_score"`
+	Goals       int    `bun:"total_goals"`
+	Assists     int    `bun:"total_assists"`
+	Saves       int    `bun:"total_saves"`
+	Shots       int    `bun:"total_shots"`
+	Blocks      int    `bun:"total_blocks"`
+	Passes      int    `bun:"total_passes"`
+}
+
+// GetAggregatedPlayerStatsForTeam returns aggregated period-3 stats for all mapped
+// players on a given team across all finalized fixture results.
+func GetAggregatedPlayerStatsForTeam(
+	ctx context.Context,
+	tx bun.Tx,
+	teamID int,
+	fixtureIDs []int,
+) ([]*AggregatedPlayerStats, error) {
+	if len(fixtureIDs) == 0 {
+		return nil, nil
+	}
+
+	var stats []*AggregatedPlayerStats
+	err := tx.NewRaw(`
+		SELECT
+			frps.player_id AS player_id,
+			COALESCE(p.name, frps.player_username) AS player_name,
+			COUNT(DISTINCT frps.fixture_result_id) AS games_played,
+			COALESCE(SUM(frps.score), 0) AS total_score,
+			COALESCE(SUM(frps.goals), 0) AS total_goals,
+			COALESCE(SUM(frps.assists), 0) AS total_assists,
+			COALESCE(SUM(frps.saves), 0) AS total_saves,
+			COALESCE(SUM(frps.shots), 0) AS total_shots,
+			COALESCE(SUM(frps.blocks), 0) AS total_blocks,
+			COALESCE(SUM(frps.passes), 0) AS total_passes
+		FROM fixture_result_player_stats frps
+		JOIN fixture_results fr ON fr.id = frps.fixture_result_id
+		LEFT JOIN players p ON p.id = frps.player_id
+		WHERE fr.finalized = true
+		  AND fr.fixture_id IN (?)
+		  AND frps.team_id = ?
+		  AND frps.period_num = 3
+		  AND frps.player_id IS NOT NULL
+		GROUP BY frps.player_id, COALESCE(p.name, frps.player_username)
+		ORDER BY total_score DESC
+	`, bun.In(fixtureIDs), teamID).Scan(ctx, &stats)
+	if err != nil {
+		return nil, errors.Wrap(err, "tx.NewRaw")
+	}
+	return stats, nil
+}
+
+// TeamRecord holds win/loss/draw record and goal totals for a team.
+type TeamRecord struct {
+	Played       int
+	Wins         int
+	Losses       int
+	Draws        int
+	GoalsFor     int
+	GoalsAgainst int
+}
+
+// ComputeTeamRecord calculates W-L-D and GF/GA from fixtures and results.
+func ComputeTeamRecord(teamID int, fixtures []*Fixture, resultMap map[int]*FixtureResult) *TeamRecord {
+	rec := &TeamRecord{}
+	for _, f := range fixtures {
+		res, ok := resultMap[f.ID]
+		if !ok {
+			continue
+		}
+		rec.Played++
+		isHome := f.HomeTeamID == teamID
+		if isHome {
+			rec.GoalsFor += res.HomeScore
+			rec.GoalsAgainst += res.AwayScore
+		} else {
+			rec.GoalsFor += res.AwayScore
+			rec.GoalsAgainst += res.HomeScore
+		}
+		won := (isHome && res.Winner == "home") || (!isHome && res.Winner == "away")
+		lost := (isHome && res.Winner == "away") || (!isHome && res.Winner == "home")
+		if won {
+			rec.Wins++
+		} else if lost {
+			rec.Losses++
+		} else {
+			rec.Draws++
+		}
+	}
+	return rec
+}
+
 // GetFixtureTeamRosters returns all team players with participation status for a fixture.
 // Returns: map["home"|"away"] -> []*PlayerWithPlayStatus
 func GetFixtureTeamRosters(